What is HTML?

HTML stands for HyperText Markup Language. It's the foundation of every website on the internet. HTML provides the structure and content for websites, while CSS and JavaScript handle the styling and interactivity.

What is CSS?

CSS stands for Cascading Style Sheets. It's used to style HTML elements, controlling how text appears, colors, fonts, and layout. CSS allows you to create visually appealing websites by defining styles for different elements.

What is JavaScript?

JavaScript is a programming language that adds interactivity to websites. It allows you to create dynamic, responsive web applications. JavaScript runs in the browser and can manipulate HTML and CSS based on user actions.

Basic HTML Structure

The basic structure of an HTML document consists of a tag containing a and section. The contains metadata about the document, such as the title and meta information, while the contains the actual content of the page.

,

, and

>

HTML provides several heading tags:

(most important),

,

, etc., and paragraph tags

. These are used to structure the content of a web page.

CSS Syntax

CSS uses a specific syntax to define the style of HTML elements. Each CSS rule begins with a selector followed by a declaration block. For example:

                    p {
                        color: blue;
                        font-size: 16px;
                    }
                

CSS Selectors

CSS selectors allow you to target specific HTML elements. Common types of selectors include element selectors (e.g.,

), class selectors (e.g., .my-class), and attribute selectors (e.g., [href="#"]).

Basics of JavaScript

JavaScript is a scripting language that allows you to add interactivity to web pages. You can write JavaScript directly in the HTML using the